Home / 140,242,670.34-210,354,028.66-43,188,257.71

Finding the Fourth Proportional to 140,242,670.34, 210,354,028.66 and 43,188,257.71

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Solution

The fourth proportional to 140,242,670.34, 210,354,028.66 and 43,188,257.71 is: 64,779,314.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,242,670.34 : 210,354,028.66 = 43,188,257.71 : x
  2. Step 2: Convert to fraction form
    140,242,670.34/210,354,028.66 = 43,188,257.71/x
  3. Step 3: Cross multiply
    140,242,670.34x = 210,354,028.66 × 43,188,257.71
  4. Step 4: Simplify right side
    140,242,670.34x = 9,084,824,000,104,806
  5. Step 5: Solve for x
    x = 9,084,824,000,104,806/140,242,670.34
  6. Step 6: Final answer
    x = 64,779,314.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.